52834

Appears in sequences

• Expansion of 1/((1+x)*(1-x)^12).at n=8A001808
• Numbers n such that phi(reverse(n)) = phi(reverse(n-1)) + phi(reverse(n-2)).at n=27A069969
• Expansion of (2/(3*sqrt(1-4*z)-1+4*z))*((1-sqrt(1-4*z))/(2*z))^k with k=3.at n=8A172025
• A014486-codes for the Beanstalk-tree growing one natural number at time, starting from the tree of one internal node (1), with the "lesser numbers to the left hand side" construction.at n=7A218776
• Number of 4 X n 0..1 arrays with rows unimodal and columns nondecreasing.at n=10A225011
• a(n) = 1 + Sum_{k=1..n} Sum_{d|k} mu(k/d)*p(d), where p(d) = number of partitions of d (A000041).at n=33A306912